I think is 0.14583 but I’m not sure
Man just pay attention in school
<span>{(-1, 0), (4, 3), (-7, -3), (-1, -8)}
</span> this will be the answer
So you have to plug in the amount to the cost making you problem look like this:
0.85(30)+2.5(2)
25.5+5=30.5
Yes this is using the transitive property
Point A leads to point B, B goes to C, so overall A goes to C. Think of it connecting a chain.
Nice job on getting the correct answer.